21427168

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4159}}^1$

素因数の和:4199

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 28892192

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4159, 5152, 8318, 16636, 29113, 33272, 58226, 66544, 95657, 116452, 133088, 191314, 232904, 382628, 465808, 669599, 765256, 931616, 1339198, 1530512, 2678396, 3061024, 5356792, 10713584, 21427168]

約数ペア:

[(1, 21427168), (2, 10713584), (4, 5356792), (7, 3061024), (8, 2678396), (14, 1530512), (16, 1339198), (23, 931616), (28, 765256), (32, 669599), (46, 465808), (56, 382628), (92, 232904), (112, 191314), (161, 133088), (184, 116452), (224, 95657), (322, 66544), (368, 58226), (644, 33272), (736, 29113), (1288, 16636), (2576, 8318), (4159, 5152)]